Consider the following two relations for Millennium College:STUDENT(StudentiD StudentName,CampusAddress, GPA)REGISTRATION(Student!D CourseiD Grade)Following is a typical query against these relations:SELECT Student_T.StudentiD, StudentName,CourseiD, GradeFROM Student_T, Registration_TWHERE Student_T.StudentiD =Registration_ T.StudentiDANDGPA>3.0ORDER BY Student Name;a. On what attributes should indexes be defined to speedup this query? Give the reasons for each attributeselected.b. Write SQL commands to create indexes for each attribute you identified in part a.

Q: SQL allows a foreign-key dependency to refer to the same relation, as in the following example:…

A: Answer:-

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A: ANSWER:

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A:

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A: The above question is answered in step 2 :-

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Q: (Consider table employees with the following colunms (EMPLOYEE_ID, FIRST NAME, LAST_NAME , EMAIL…

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A: Given data is shown below:

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A: Given:   Database Manament System

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A:

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SQL Query

Structured Query Language is the full form of SQL. It is one of the standard languages to deal with the relational database. It is used to insert, update, delete, and search the records stored in a RDBMS. The relational databases are created and managed by using SQL.